[PATCH] nvme: Fix discard buffer overrun

[Jens Axboe]

On 2/1/18 7:55 AM, jianchao.wang wrote:
> Hi Keith
> 
> Since each discard bio merged into a request is counted as one segment,
> why not let blk_rq_nr_discard_segments return numbers of bios directly.

That's a good idea, but for now this looks fine. Both this and the
core block hole can be fixed, and then someone can hopefully work
on making discards behave a bit more nicely after that.

-- 
Jens Axboe